stub out proper end to end nav through the main menu to the indicators

- properly pass url params around
- move much of the config to static objects
- still sort of experimenting with the structure
fix url param encoding
properly escape html
properly escape everything for real
delete relic of old formatting
Merge pull request #4 from dimagi/cz-dev

stub out proper end to end nav through the main menu to the indicators
fix navigation
rename mother list --> client list
fix nav to more closely mirror desired workflow. indicator structure tweaks
use real (albeit fakely determined) groups in the subcenter selection
Merge pull request #5 from dimagi/cz-dev

fix nav to more closely mirror desired workflow.
make ranks look more like ranks
more steps towards "realifying" the data. show actual cases in group
Merge pull request #6 from dimagi/cz-dev

more steps towards "realifying" the data. show actual cases in group
add stub filtering framework and reference implementation.
Merge branch 'master' into cz-dev
fix for name reference to report classes
proper user/group association for mobile workers
properly implement "registered last month"
add case list filter for delivered last month and due next month